Document No. 008-0253-0

Page 2 - 3

Rev. F

Model 405

5.0x3.2mm Low Cost

Surface Mount Crystal

ELECTRICAL CHARACTERISTICS

PARAMETER

VALUE

Operating Mode

Fundamental

Crystal Cut

AT-Cut

Frequency Range

12.0 MHz to 50.0 MHz

± 30 ppm Standard

(± 10 ppm and ± 20 ppm Available)

Frequency Stability Tolerance

± 50 ppm Standard

(Operating Temperature Range, Referenced to 25°C Reading)

(± 10 ppm, ± 20 ppm, ± 30 ppm and ± 40 ppm Available)

-20°C to +70°C Standard

(-40°C to +85°C Available)

Storage Temperature Range

-55°C to +125°C

Equivalent Series Resistance

See ESR Table

Load Capacitance or Resonance Mode

See Ordering Information

7.0 pF Maximum

(3.0 pF Typical)

Drive Level

25 µW Typical, 100 µW Maximum

Reflow Condition, per JEDEC J-STD-020

+255°C ± 5°C, 10 Seconds Maximum

Frequency Tolerance @ 25°C

Operating Temperature Range

EQUIVALENT SERIES RESISTANCE TABLE

FREQUENCY RANGE

MODE of OSCILLATION ESR Maximum

12.00 MHz - 50.00 MHz

Fundamental

50 Ohms

MECHANICAL SPECIFICATIONS

PACKAGE DRAWING

MARKING INFORMATION

#1

#4

#3

#2

Inch

( MM )

Key:

0.126 ±0.006

( 3.20 ±0.15 )

0.041

0.197 ±0.008

( 5.00 ±0.2 )

MAX

( 1.05 )

( 2.60 )

0.102

0.047

( 1.2 )

0.035

( 0.9 )

3

4

12

Top View

Bottom View

#2

0.055

( 1.40 )

Notes:

1. Termination pads (e4), barrier-plating is nickel (Ni) with gold (Au) flash plate.

2. Terminations #2, #4 and the metal lid are connected internally.

End user may connect these pins to circuit ground.

1. XX.XXX – Frequency marked with 3 significant

digits after the decimal.

2. C – CTS and Pin 1 identifier.

3. ** - Manufacturing Site Code.

4. YWW – Date Code, Y – Last Digit of Year,

WW – Week.

5. Complete CTS part number, frequency value and

date code information must appear on reel and

box labels.

XX.XXX

C**YWW

SUGGESTED SOLDER PAD GEOMETRY

0.146 [3.70]

0.087 [2.20]

0.047 [1.20]

Key:

[mm]

Inch

0.035 [0.90]

12

3

4